Fredericton - Air Quality Health Index

Due to recent time zone changes in some provinces and territories, time information may not appear accurately on our website. The content of alerts and forecasts remains accurate. We are in the process of updating our systems to reflect these changes and appreciate your patience. Please ensure your browser is up to date.

Observed ConditionsFootnote †

Calculated at: 2:00 PM AST Thursday 5 November 2026

2Low Risk




1
2
3
4
5
6
7
8
9
10
+

Low Risk
(1-3)

Moderate Risk
(4-6)

High Risk
(7-10)

Very High Risk



At-Risk Population:

General Population:

  • Ideal air quality for outdoor activities.

Forecast Maximums

Issued at: 6:00 AM AST Thursday 5 November 2026

Thursday

2 - Low Risk

Thursday night

2 - Low Risk

Friday

2 - Low Risk

Friday night

1 - Low Risk

Who is at risk?

People with heart and lung conditions are most affected by air pollution.

To find out if you are at risk, consult the health guide, or your physician.

Visit the national AQHI Web site to learn more about the AQHI.

Did you know...?

Air pollution can affect your health in different ways, from minor symptoms such as a scratchy throat, to more serious symptoms such as difficulty breathing or heart problems.


The AQHI is an initiative between Environment Canada, Health Canada, and the New Brunswick Department of Environment and Local Government and the New Brunswick Department of Health in partnership with the New Brunswick Lung Association.

AQHIScale

Observed ConditionsFootnote †


2 - Low Risk

Calculated at:

2:00 PM AST Thursday 5 November 2026

 

Forecast Maximums


Thursday
2 - Low Risk



Thursday night
2 - Low Risk



Friday
2 - Low Risk



Friday night
1 - Low Risk




Issued at:

6:00 AM AST Thursday 5 November 2026

 

The AQHI is an initiative between Environment Canada, Health Canada, and the New Brunswick Department of Environment and Local Government and the New Brunswick Department of Health in partnership with the New Brunswick Lung Association.

Weather shortcuts


How to use
  • Add to shortcuts
    • Go to the desired page on the site, open the Weather shortcuts menu and click on the "Add to shortcuts" button
    • Page name will display in the "Add this page" window, the name can be changed by highlighting the text and entering the desired name.
    • Click on the "Save" button to add the link to the list
    • Click on the "X" button to close the panel
  • Delete a link
    • Click on the "Organize shortcuts" button
    • Select the link to delete
    • Click on the "Delete" button to remove the link from the list
    • Click on the "Close" button to save the change
  • Move a link up/down the list
    • Click on the "Organize shortcuts" button
    • Click and hold the link and move to new location in the list
    • Click on the "Close" button to save the change
  • Rename a link
    • Click on the "Organize shortcuts" button
    • Select the link to rename
    • Click on the "Rename" button and change the link name
    • Click the enter or tab key
    • Click on the "Close" button to save the change
  • Keyboard navigation
    • Use the Tab key to move to a button or link
    • Use the Enter key to click on buttons or links
    • Organize shortcuts navigation
      • Use the ↑ Up key to select the link above. If none are selected, it will select the first link
      • Use the ↓ Down key to select the link below. If none are selected, it will select the last link
      • Use the Page Up key to move a selection up in the list
      • Use the Page Down key to move a selection down in the list
  • Restore default list

    Warning: Clicking on the button below will remove all your customized links.

Customized Weather shortcuts

Save your customized list as a bookmark.

Copy/paste or click on the link below then when the page displays, you can bookmark the page using the web browser. Bookmarking your customized list will allow you to access it even if the local storage on your device is erased.

Features

View yesterday's weather data

Check out weather conditions from the previous day using the Past Data link on each location page.

Feedback about this web site
Date modified: